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Sun’s largest sunspots may have potential to trigger superflares

Image: Phys.org

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  • Phys.org · September 8, 2026 21:40
    Radiation from space is constantly entering Earth's atmosphere, but how much of it reaches the altitudes used by commercial aircraft depends not only on height and location, but also on the activity of the sun. A new study based on high-altitude balloon measurements over southern Israel has mapped…
  • Phys.org · September 10, 2026 13:20
    It is thought the sun may have engulfed a super-Earth-sized planet early in its history. Now, a new study has gone a step further, suggesting that such an event may have left behind detectable clues inside the sun that could still be visible today.
  • Phys.org · September 10, 2026 15:40
    The sun is capable of great things. In massive eruptions, it repeatedly hurls particles and radiation into space. This solar bombardment can be dangerous for technical infrastructure on Earth: For example, satellites and transformers in substations can be damaged.